Crazy beatbox noise: Ejective stop ... Sounds like an old car. Now do that without voice and it sounds like a drum roll, but is in fact a voiceless alveolar trill with labiodental coarticulation.

"But now as electronic music is progressing it [beatboxing] is anything," he adds. "It's any sound, it's any genre of music, it's whatever you want to do because the voice is limitless so you can ...